When a computer system is turned on, the initial software program that runs self-diagnostic hardware routines (known as POST) is the: MCQ with Answer and Explanation

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When a computer system is turned on, the initial software program that runs self-diagnostic hardware routines (known as POST) is the:

A. Device Manager Panel

B. Disk Defragmenter

C. Operating System Core

D. BIOS / UEFI Firmware

Answer: Option D

Solution (By JKExamLibrary)

The BIOS/UEFI firmware initializes hardware and runs the Power-On Self-Test (POST) to ensure components are working before booting the OS.

This question belongs to: Computer Computer Software

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What is the main purpose of software documentation?

A. To describe usage and design

B. To increase file size

C. To uninstall software

D. To encrypt software

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Correct Answer: Option A

Explanation:
Documentation helps users and developers understand the software.

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What is the primary role of a decompiler program in software engineering?

A. To merge separate static library modules into a single binary file.

B. To scrub malicious registry entries before the operating system boots up.

C. To reverse engineer an executable binary file back into high-level source code.

D. To translate assembly text into machine binary code files.

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Correct Answer: Option C

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